Articles with "h2o system" as a keyword



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Thermodynamic Calculations of the Critical Points of the H2–CO2–CH4–CO–H2O System

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Published in 2020 at "International Journal of Thermophysics"

DOI: 10.1007/s10765-020-02725-5

Abstract: Knowledge of the stability limit and critical point of the H2–CO2–CH4–CO–H2O system is significant for the management and optimization of the gasification systems of organic substances in supercritical water. We report thermodynamic calculations of the… read more here.

Keywords: system; critical points; co2 ch4; h2o system ... See more keywords
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Experimental measurements on chemical reaction and thermal conductivity of the H2/CO2/CO/CH4/H2O system using the short-hot-wire method at 664–915 K and 9.2–22.2 MPa

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Published in 2021 at "International Journal of Heat and Mass Transfer"

DOI: 10.1016/j.ijheatmasstransfer.2021.121554

Abstract: Abstract The gas mixtures produced in hydrogen energy system mainly include H2, CO2, CH4, CO and H2O. Thus far, the complicated reaction pathways and heat transfer ability of the H2/CO2/CO/CH4/H2O system at high temperatures and… read more here.

Keywords: system; thermal conductivity; ch4 h2o; co2 ch4 ... See more keywords
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Enhanced Cr(VI) removal from groundwater by Fe0-H2O system with bio-amended iron corrosion.

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Published in 2017 at "Journal of hazardous materials"

DOI: 10.1016/j.jhazmat.2017.02.045

Abstract: A one-pot bio-iron system was established to investigate synergetic abiotic and biotic effects between iron and microorganisms on Cr(VI) removal. More diverse iron corrosion and reactive solids, such as green rusts, lepidocrocite and magnetite were… read more here.

Keywords: system; fe0 h2o; bio; iron ... See more keywords
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Thiosulphate leaching of gold in the Cu–NH3–S2O32−–H2O system: An updated thermodynamic analysis using predominance area and species distribution diagrams

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Published in 2020 at "Minerals Engineering"

DOI: 10.1016/j.mineng.2020.106336

Abstract: Abstract Thiosulphate, as an environmentally friendly lixiviant, is currently identified as the most promising alternative to cyanide for the extraction of gold from ores in sensitive locations. The Cu(II) ammine complexes acts as the catalytic… read more here.

Keywords: nh3 s2o32; chemistry; s2o32 h2o; thiosulphate ... See more keywords
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Spectroscopic and theoretical analysis of Pd2+−Cl−−H2O system

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Published in 2017 at "Journal of Molecular Structure"

DOI: 10.1016/j.molstruc.2016.08.039

Abstract: Abstract Time dependent density functional theory (TD-DFT) and spectrophotometric methods were used for speciation analysis in Pd2+−Cl−−H2O system. It was shown, that there is an excellent harmony between TD-DFT calculated UV-VIS spectra end those registered… read more here.

Keywords: analysis pd2; h2o system; pd2 h2o;
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Hydrate Stability in the H2S–H2O system—Visual Observations and Measurements in a High-Pressure Optical Cell and Thermodynamic Models

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Published in 2020 at "Journal of Chemical & Engineering Data"

DOI: 10.1021/acs.jced.0c00217

Abstract: A visual method was developed to investigate the equilibrium phase relations of hydrate in the hydrogen sulfide (H2S)–H2O system using a high-pressure optical cell coupled with a heating–cooling st... read more here.

Keywords: h2s h2o; optical cell; high pressure; h2o system ... See more keywords
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Experimental Determination of Phase Equilibria in the Quaternary NaOH-Na3VO4-Na2MoO4-H2O System at 298.15–353.15 K

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Published in 2020 at "Journal of Chemical & Engineering Data"

DOI: 10.1021/acs.jced.0c00321

Abstract: The equilibrium solubility of the quaternary NaOH-Na3VO4-Na2MoO4-H2O system was investigated from 298.15 to 353.15 K using an isothermal equilibrium method. From the results, the solubility of Na3V... read more here.

Keywords: na3vo4 na2moo4; 298 353; na2moo4 h2o; naoh na3vo4 ... See more keywords
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Solubility of NaHCO3 and NH4HCO3 in the Relevant Media and Prediction of High-Pressure Phase Equilibria for the NH3–CO2–NaCl–H2O System

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Published in 2017 at "Journal of Chemical & Engineering Data"

DOI: 10.1021/acs.jced.7b00790

Abstract: The solubility of NaHCO3 was determined in the NH4+–Na+–CO32––HCO3––Cl––H2O system with the concentration up to 6 mol·kg–1 by a dynamic method from 283.15 to 333.15 K. It was found that the solubility of NaHCO3 decreases… read more here.

Keywords: h2o system; solubility; solubility nahco3; nh3 co2 ... See more keywords
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Phase Equilibria in Quinary Na, K, Mg//Cl, SO4–H2O System at 25 °C

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Published in 2019 at "Journal of Chemical & Engineering Data"

DOI: 10.1021/acs.jced.9b00617

Abstract: The phase equilibria in the quinary Na, K, Mg//Cl, SO4–H2O system at 25 °C were determined, and a total phase equilibria diagram of the system was constructed by means of the translation method. Structures of… read more here.

Keywords: so4 h2o; phase equilibria; system; h2o system ... See more keywords
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Heterogeneous photocatalytic performances of CO2 reduction based on the [Emim]BF4 + TEOA + H2O system

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Published in 2019 at "RSC Advances"

DOI: 10.1039/c9ra06235a

Abstract: The photochemical reduction of CO2 was studied in a 1-ethyl-3-methylimidazolium tetrafluoroborate, triethanolamine and water ([Emim]BF4 + TEOA + H2O) system under visible light irradiation. read more here.

Keywords: reduction; bf4 teoa; emim bf4; teoa h2o ... See more keywords
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Graphic Study of the Dihydrate–Hemihydrate Process for the Synthesis of Phosphoric Acid According to the Diagram of the CаO–P2O5–SO3–H2O System

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Published in 2019 at "Theoretical Foundations of Chemical Engineering"

DOI: 10.1134/s0040579519030084

Abstract: A graphic analysis of the processing of phosphorites from Koksu (Karatau deposit) into extraction phosphoric acid (EPA) by the dihydrate–hemihydrate method was performed according to the equilibrium solubility diagram of the CaO–P2O5–SO3–H2O system. It was… read more here.

Keywords: p2o5; phosphoric acid; p2o5 so3; dihydrate hemihydrate ... See more keywords